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- Dictionaryun·nec·es·sar·y/ˌənˈnesəˌserē/
adjective
- 1. not needed: "a fourth Chicago airport is unnecessary"
plural
- 1. unnecessary things: "Flora never wasted cash on unnecessaries"
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1 day ago · The WHO defines antimicrobial resistance as a microorganism's resistance to an antimicrobial drug that was once able to treat an infection by that microorganism. [2] A person cannot become resistant to antibiotics. Resistance is a property of the microbe, not a person or other organism infected by a microbe. [33]